Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432774 | Method of fabricating memory cell with trench capacitor and vertical transistor | Kuen-Chy Heo | 2002-08-13 |
| 6355529 | Method of fabricating memory cell with vertical transistor | Kuen-Chy Heo | 2002-03-12 |